Home / 6,078.30-9,117.45-6,039.90

Finding the Fourth Proportional to 6,078.30, 9,117.45 and 6,039.90

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Solution

The fourth proportional to 6,078.30, 9,117.45 and 6,039.90 is: 9,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.30 : 9,117.45 = 6,039.90 : x
  2. Step 2: Convert to fraction form
    6,078.30/9,117.45 = 6,039.90/x
  3. Step 3: Cross multiply
    6,078.30x = 9,117.45 × 6,039.90
  4. Step 4: Simplify right side
    6,078.30x = 55,068,486.26
  5. Step 5: Solve for x
    x = 55,068,486.26/6,078.30
  6. Step 6: Final answer
    x = 9,059.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.